超高产小麦品种籽粒灌浆速率及其品质特性分析

Filling rate and filling quality characteristics of super-high-yielding wheat

为探讨超高产小麦的灌浆特性及品质形成规律,通过17个品种试验,分析小麦籽粒灌浆速率和品质特性。结果表明,籽粒灌浆早期,超高产小麦品种灌浆速率较常规品种低,但在成熟前10 d内,其灌浆速率较高,成熟前10 d两者灌浆速率分别为1.74,1.15.gd-1(千粒)。年份间品种特性对小麦籽粒品质影响不尽一致,小麦产量与面粉品质在一定程度上存在相关性,参试超高产品种与常规品种粉质仪质量数平均为99.0和99.8。

To explore the grain-filling characteristics and its quality forming of super-high-yield,grain filling rate and quality characteristics of wheat were analyzed through 17 varieties in test.The results showed that in the early filling stage,the grain filling rate of super-high-yield wheat varieties was lower than the conventional varieties.But the grain filling rate was higher of super-high-yield wheat varieties than the conventional ones within 10 days before maturation,which were 1.74 and 1.15 g·d-1 per thousand grains,respectively.Influences of different years on grain-filling characteristics in wheat were quite different,and there was relevance between wheat yield and flour quality in a certain extent.The farinography mass number of testing super-high-yield and conventional varieties were 99.8 and 99.0 on average.